Several ladies announced on twitter yesterday that they were gearing up for the blood bath. Yolanda Foster shared "Maintenance day. Pulling myself together for the big day tomorrow, taping of the RHOBH reunion."

Brandi Glanville confirmed the official beginning of reunion day (which is notorious for hauling HW to a undisclosed location at 6am!) on twitter.

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As for who is and who is not scheduled to be there, it's quite surprising!

Marisa Zanuck and Camille Grammer, declared 'Friends of the Housewives' this season, will be missing in action. Camille reportedly quit the show completely and will not be returning next season in any capacity.

This season Camille started off as a full-on Housewife but after too many filming demands and constant fighting decided she would rather be less involved and started bailing midway through filming. As for Marisa, who knows why she wasn't invited except for the fact that she was involved in exactly ZERO drama this season!

Marisa announced on twitter that she and Camille were not invited to attend.

And another surprising absentee member is allegedly Adrienne Maloof! She is supposedly planning a 'Jacqueline Laurita' and just not showing up!

“Even though Adrienne is contractually obligated to go, her lawyers have told her she doesn’t have to because Bravo breached the contract by revealing details of the surrogacy of her twin sons," a source tells Perez Hilton. "If Adrienne thought it would be a healthy environment, she wouldn’t be considering not going.”

Furthermore, Adrienne has no interest in having her divorce be dismantled the wayTaylor Armstrong's allegations against Russell were at last season's reunion.

“The idea of discussing her divorce on national television, and being attacked by Brandi, Lisa and Yolanda has Adrienne thinking twice about whether or not she will go to the taping of the reunion on Friday night," the source adds.

As for Paul Nassif, he also won't be attending. “Paul is out of the country and unable to attend the reunion, but he did sit down for an interview that will be a part of it.” JUICY!

Or perhaps Faye will be on hand to fight with Brandi and continue to convince the viewing public that she's a Grade-A surgically enhanced twat! You know Faye is desperate to get a spot on the show – which isn't likely if Bravo is hoping to attract A-List ladies for Season 4! I heard Lisa and Yolanda threatened not to rejoin the cast if Faye was included…

Per their twitters, Kim Richards and Taylor will definitely be attending, despite the rumors that both ladies are being axed from the cast for next season. And I think it's safe to say Splits will also be showing up.

We'll keep you posted on any emerging details from filming!

[Photo Credit: Josiah True/ WENN.com]

TELL US – ARE YOU READY FOR THE SCANDALOUS REUNION? WILL ADRIENNE ATTEND? SURPRISED MARISA AND CAMILLE WERE NOT INVITED?